2009 Mercedes Benz ML350 used buying checklist

Test for the problems owners report most

The most reported problems of this model year, with what to look for on the test drive.

• Seat belt won't latch or retract8 owner complaints, usually around 65,039 miles

  Pull every seat belt out fully and make sure it retracts and latches.

• Fire, smoke or burning smell5 owner complaints

  Test every screen, camera, power window, lock and the key fob. With the engine running, make sure no warning lights stay on.

• Gas smell in the cabin5 owner complaints

  Watch for fuel smells, hard starting and the check engine light, and make sure the fuel gauge works.

Make sure these recalls were done

Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.

• Service brakes, hydraulicRecall number 24V298000, Apr 26, 2024
• Service brakes, hydraulicRecall number 22V315000, May 9, 2022
• Air bagsRecall number 16V081000, Feb 11, 2016

Repairs the maker may still cover

Warranty extensions can cover a known problem beyond the normal warranty. Check whether this car is still within the time or mileage limit.

• Mercedes-Benz USA, LLC will provide an Extended Modification Warranty for each vehicle that has received...Oct 5, 2021

Service bulletins worth asking about

Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.

• Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is...Sep 22, 2026
• During a phone call, the called party has difficulty understanding/cannot understand the driver, or...Mar 5, 2025
• Additional information around the recent recall announcement affecting approximately 705,983 Mercedes-Benz...Feb 26, 2016
• Recall Campaign announcement for Takata driver airbags.Feb 11, 2016
• Noises from the mounting of the rear weight sensing system (WSS) sensorsJul 12, 2014
• With an unfavorable sensor position and high rpms, the sensor may deliver incorrect rpm values and the...Jul 10, 2014

Before you pay

• Decode the VIN and make sure it matches the title, the registration and the car itself.
• Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
• Ask for service records, especially oil changes and any transmission fluid service.
• Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
• Have an independent mechanic inspect the car before you sign anything.